A triangle has side lengths of (8.8p+6.2q) centimeters, (5.6p-1.8rcentimeters, and (6.1r-8.4q) centimeters. Which expression represents the perimeter, in centimeters, of the triangle? MARKINg brainliest

Which expression is equivalent to the expression shown?

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1